OpenAI cuts GPT-5.6 Luna price 80% and Terra 20%, Fast mode replaces Priority

PricingJul 30, 2026VerifiedAdded Sep 22, 2026

From July 30, GPT-5.6 Luna costs 80% less and Terra 20% less. Fast mode replaces Priority Processing, giving GPT-5.6 Sol up to 2.5x speed at twice the price, and priority requests map to it automatically.

LLMs Pricing Developer tools Performance

Read OpenAI's release notes

https://developers.openai.com/api/docs/changelog#jul-30

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OpenAI Fast mode supports long-context requests for GPT-5.6 models

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Also shipped on Jul 30, 2026

Google Cloud BigQueryJul 30, 2026

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GASQLData integrationSource

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GASQLObservabilitySource

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